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The shape of the balloon is determined by the shape of the deflated rubber and the thickness of the rubber. The neck is usually thicker than the body, thus the body will expand far more than the neck. The pressure exerted upon the air by the balloon's elasticity creates the final inflated shape. If the thickness in the body of the balloon varies, the balloon will not be perfectly round. The thickness of the neck rubber forces the balloon to be more pear-shaped than spherical.
Mass
Balanced, or in equilibrium
What keep balloon inflated is not the molecular forces but the kinetics energy of the gas molecules made the molecules to bump and create the pressure inside the balloon.
The force exerted by a machine is called a mechanical force
Action-Reaction Forces.
Is the direction where you exerted your force.
The force exerted on a scale by an object and other forces acting.
Gravitational forces.
These forces are called frictional forces. (: My source is the Physical Science with Earth science textbook, Chapter 3. (:
These forces are called frictional forces. (: My source is the Physical Science with Earth science textbook, Chapter 3. (:
That is usually called pressure. For forces within solids, it may also refer to the stress.
The shape of the balloon is determined by the shape of the deflated rubber and the thickness of the rubber. The neck is usually thicker than the body, thus the body will expand far more than the neck. The pressure exerted upon the air by the balloon's elasticity creates the final inflated shape. If the thickness in the body of the balloon varies, the balloon will not be perfectly round. The thickness of the neck rubber forces the balloon to be more pear-shaped than spherical.
Mass
Newtons/square meters.
osama bin laden forces
their magnitudes are added together, resulting in a stronger force